Hi Tanveer, thank you for educating us on your Sonar system of the deep blue sea. Your idea is simply amazing and it is very nicely designed in terms of its technical aspects. You gave an exceptional hand written drawing with all the labels. It just helped us to accurately depict how your solution will work. Thank you so much for thinking creatively and building a solution. Keep up the good work! Here is the link to your entire science contest entry for all our other members to see: https://drive.google.com/file/d/1HNyh4S4Tk6BMVXsywk_eoYCiFuaLURO0/view?usp=sharing